Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/config 7.* -> satisfiable by symfony/config[v7.0.0, ..., v7.0.7]. - symfony/config[v7.0.0, ..., v7.0.7] require php >=8.2 -> your php version (8.1.28) does not satisfy that requirement. Problem 2 - Root composer.json requires symfony/dependency-injection 7.* -> satisfiable by symfony/dependency-injection[v7.0.0, ..., v7.0.7]. - symfony/dependency-injection[v7.0.0, ..., v7.0.7] require php >=8.2 -> your php version (8.1.28) does not satisfy that requirement. Problem 3 - Root composer.json requires symfony/http-kernel 7.* -> satisfiable by symfony/http-kernel[v7.0.0, ..., v7.0.7]. - symfony/http-kernel[v7.0.0, ..., v7.0.7] require php >=8.2 -> your php version (8.1.28) does not satisfy that requirement. Problem 4 - Root composer.json requires symfony/options-resolver 7.* -> satisfiable by symfony/options-resolver[v7.0.0, v7.0.7]. - symfony/options-resolver[v7.0.0, ..., v7.0.7] require php >=8.2 -> your php version (8.1.28) does not satisfy that requirement. Problem 5 - Root composer.json requires symfony/yaml 7.* -> satisfiable by symfony/yaml[v7.0.0, v7.0.3, v7.0.7]. - symfony/yaml[v7.0.0, ..., v7.0.7] require php >=8.2 -> your php version (8.1.28) does not satisfy that requirement. Problem 6 - symfony/debug-bundle[v6.4.0, ..., v6.4.7] require symfony/dependency-injection ^5.4|^6.0|^7.0 -> satisfiable by symfony/dependency-injection[v7.0.0, ..., v7.0.7]. - symfony/debug-bundle[v5.4.0, ..., v5.4.39] require symfony/http-kernel ^4.4|^5.0|^6.0 -> found symfony/http-kernel[v4.4.0, ..., v4.4.51, v5.0.0, ..., v5.4.39, v6.0.0, ..., v6.4.7] but it conflicts with your root composer.json require (7.*). - symfony/debug-bundle[v7.0.0, ..., v7.0.7] require php >=8.2 -> your php version (8.1.28) does not satisfy that requirement. - symfony/dependency-injection[v7.0.0, ..., v7.0.7] require php >=8.2 -> your php version (8.1.28) does not satisfy that requirement. - Root composer.json requires symfony/debug-bundle ^5.4 || ^6.4 || ^7.0 -> satisfiable by symfony/debug-bundle[v5.4.0, ..., v5.4.39, v6.4.0, v6.4.3, v6.4.7, v7.0.0, v7.0.3, v7.0.7].